46 lines
1.5 KiB
Ruby
46 lines
1.5 KiB
Ruby
# -*- coding: binary -*-
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require 'openssl'
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require 'net/ssh/errors'
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require 'net/ssh/transport/algorithms'
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require 'net/ssh/transport/constants'
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require 'net/ssh/transport/kex'
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module Net; module SSH; module Test
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# An implementation of a key-exchange strategy specifically for unit tests.
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# (This strategy would never really work against a real SSH server--it makes
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# too many assumptions about the server's response.)
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#
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# This registers itself with the transport key-exchange system as the
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# "test" algorithm.
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class Kex
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include Net::SSH::Transport::Constants
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# Creates a new instance of the testing key-exchange algorithm with the
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# given arguments.
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def initialize(algorithms, connection, data)
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@connection = connection
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end
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# Exchange keys with the server. This returns a hash of constant values,
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# and does not actually exchange keys.
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def exchange_keys
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result = Net::SSH::Buffer.from(:byte, NEWKEYS)
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@connection.send_message(result)
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buffer = @connection.next_message
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raise Net::SSH::Exception, "expected NEWKEYS" unless buffer.type == NEWKEYS
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{ :session_id => "abc-xyz",
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:server_key => OpenSSL::PKey::RSA.new(32),
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:shared_secret => OpenSSL::BN.new("1234567890", 10),
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:hashing_algorithm => OpenSSL::Digest::SHA1 }
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end
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end
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end; end; end
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Net::SSH::Transport::Algorithms::ALGORITHMS[:kex] << "test"
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Net::SSH::Transport::Kex::MAP["test"] = Net::SSH::Test::Kex
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